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Backshells

Amphenol PCD Backshells offer strain relief, environmental protection, and 360° EMI/RFI shielding at the termination area of virtually any circular connector. These connectors feature a base material constructed of aluminum alloy, stainless steel, brass, or composite and a variety of finishes such as black zinc nickel, cadmium, electroless nickel, anodized black, passivated, and more. Amphenol PCD Backshells have custom designs available and meet or exceed RoHS/REACH compliance standards. Available in both military specifications and commercial types for any application, these backshells meet the Society of Automotive Engineers (SAE) AS85049 standard.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS
Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST NIC SZ 16 M85049/82-16N03 Amphenol PCD 1: $67.22 431In Stock 325Expected 20/1/2027	Mfr. Part No. M85049/82-16N03 Mouser Part No 523-85049/82-16N03	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST NIC SZ 16 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	431In Stock 325Expected 20/1/2027	$67.22 $58.00 $54.37 $51.78 View $49.30 $46.21	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST NIC SZ 11 M85049/88-11N03 Amphenol PCD 1: $54.60 1,212In Stock	Mfr. Part No. M85049/88-11N03 Mouser Part No 523-85049/88-11N03	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST NIC SZ 11 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	1,212In Stock	$54.60 $50.06 $42.92 Quote Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST NIC SZ 13 M85049/88-13N03 Amphenol PCD 1: $52.90 1,045In Stock 1,050Expected 17/11/2026	Mfr. Part No. M85049/88-13N03 Mouser Part No 523-85049/88-13N03	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST NIC SZ 13 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	1,045In Stock 1,050Expected 17/11/2026	$52.90 $48.04 $43.70 $42.87 View $41.13 $35.12 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells 88 Backshell Band Lock M85049/88-17N03 Amphenol PCD 1: $56.90 2,939In Stock 450Expected 14/12/2026	Mfr. Part No. M85049/88-17N03 Mouser Part No 523-85049/88-17N03	Amphenol PCD	Circular MIL Spec Backshells 88 Backshell Band Lock Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	2,939In Stock 450Expected 14/12/2026	$56.90 $51.30 $47.30 $47.14	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST NIC SZ 25 M85049/88-25N03 Amphenol PCD 1: $66.64 722In Stock	Mfr. Part No. M85049/88-25N03 Mouser Part No 523-85049/88-25N03	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST NIC SZ 25 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	722In Stock	$66.64 $58.10 $51.10 $50.18 View $48.16 $46.43 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells 88 Backshell Band Lock M85049/88-9N03 Amphenol PCD 1: $45.49 3,449In Stock 275Expected 5/11/2026	Mfr. Part No. M85049/88-9N03 Mouser Part No 523-85049/88-9N03	Amphenol PCD	Circular MIL Spec Backshells 88 Backshell Band Lock Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	3,449In Stock 275Expected 5/11/2026	$45.49 $42.62 $39.54 $39.07 View $38.05 $37.41 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A NIC SZ 11 M85049/90-11N03 Amphenol PCD 1: $88.33 501In Stock	Mfr. Part No. M85049/90-11N03 Mouser Part No 523-85049/90-11N03	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A NIC SZ 11 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	501In Stock	$88.33 $79.78 $69.71 Quote Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A NIC SZ 13 M85049/90-13N03 Amphenol PCD 1: $94.28 259In Stock	Mfr. Part No. M85049/90-13N03 Mouser Part No 523-85049/90-13N03	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A NIC SZ 13 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	259In Stock	$94.28 $83.18 $73.18 $72.04 Quote Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A NIC SZ 09 M85049/90-9N03 Amphenol PCD 1: $83.06 290In Stock	Mfr. Part No. M85049/90-9N03 Mouser Part No 523-85049/90-9N03	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A NIC SZ 09 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	290In Stock	$83.06 $76.12 $70.80 $67.44 $58.21	Min.: 1 Mult.: 1
Circular MIL Spec Backshells Straight Shell size 11 Black Zinc Nickel w/ Exposed Nickel Entry 3 M85049/88-11ZP03 Amphenol PCD 1: $78.50 20In Stock 50Expected 30/12/2026	Mfr. Part No. M85049/88-11ZP03 Mouser Part No 523-M85049/88-11ZP03	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 11 Black Zinc Nickel w/ Exposed Nickel Entry 3 Learn More about Amphenol PCD backshells	Datasheet	20In Stock 50Expected 30/12/2026	$78.50 $67.39 $64.95 $62.11 View $57.75 $54.13	Min.: 1 Mult.: 1
Circular MIL Spec Backshells Straight Shell size 19 Black Zinc Nickel w/ Exposed Nickel Entry 3 M85049/88-19ZP03 Amphenol PCD 1: $89.52 15In Stock	Mfr. Part No. M85049/88-19ZP03 Mouser Part No 523-M85049/88-19ZP03	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 19 Black Zinc Nickel w/ Exposed Nickel Entry 3 Learn More about Amphenol PCD backshells	Datasheet	15In Stock	$89.52 $76.85 $72.19 $68.75 View $65.12 $64.74 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells Straight Shell size 23 Black Zinc Nickel w/ Exposed Nickel Entry 3 M85049/88-23ZP03 Amphenol PCD 1: $98.10 10In Stock	Mfr. Part No. M85049/88-23ZP03 Mouser Part No 523-M85049/88-23ZP03	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 23 Black Zinc Nickel w/ Exposed Nickel Entry 3 Learn More about Amphenol PCD backshells	Datasheet	10In Stock	$98.10 $89.20 $88.10 $83.14 View $81.18 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL ENV ST NIC M85049/11-18N Amphenol PCD 1: $89.62 37In Stock	Mfr. Part No. M85049/11-18N Mouser Part No 523-85049/11-18N	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV ST NIC Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	37In Stock	$89.62 $77.72 $74.72 $70.28 View $68.73 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 21 M85049/1821N08 Amphenol PCD 1: $104.98 89In Stock	Mfr. Part No. M85049/1821N08 Mouser Part No 523-85049/1821N08	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 21 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	89In Stock	$104.98 $90.75 $88.20 $85.24 $77.14	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 23 M85049/1823N05 Amphenol PCD 1: $106.13 56In Stock	Mfr. Part No. M85049/1823N05 Mouser Part No 523-85049/1823N05	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 23 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	56In Stock	$106.13 $91.69 $85.95 $81.84 View $77.94 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 23 M85049/1923N09 Amphenol PCD 1: $104.04 39In Stock	Mfr. Part No. M85049/1923N09 Mouser Part No 523-85049/1923N09	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 23 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	39In Stock	$104.04 $89.98 $84.33 $80.31 View $76.47 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL NON ENV ST NIC SZ 17 M85049/2117N03 Amphenol PCD 1: $56.89 66In Stock	Mfr. Part No. M85049/2117N03 Mouser Part No 523-85049/2117N03	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL NON ENV ST NIC SZ 17 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	66In Stock	$56.89 $50.31 $47.33 Quote Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A NIC SZ 21 M85049/79-21N06 Amphenol PCD 1: $123.94 39In Stock	Mfr. Part No. M85049/79-21N06 Mouser Part No 523-85049/79-21N06	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A NIC SZ 21 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	39In Stock	$123.94 $107.64 $100.90 $96.08 $91.50	Min.: 1 Mult.: 1
Circular MIL Spec Backshells Backshell Size 14 AIA5001-14000010AA04 Amphenol LTD 1: $231.85 12In Stock 25Expected 17/11/2026	Mfr. Part No. AIA5001-14000010AA04 Mouser Part No 654-AIA5001-1410AA04	Amphenol LTD	Circular MIL Spec Backshells Backshell Size 14	Datasheet	12In Stock 25Expected 17/11/2026	$231.85 $203.08 $176.34 View Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 09 M85049/1809W02 Amphenol PCD 1: $64.93 647In Stock	Mfr. Part No. M85049/1809W02 Mouser Part No 523-85049/1809W02	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 09 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	647In Stock	$64.93 $56.13 $53.03 $52.16 View $51.83 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 11 M85049/1811W03 Amphenol PCD 1: $79.42 450In Stock 300Expected 21/12/2026	Mfr. Part No. M85049/1811W03 Mouser Part No 523-85049/1811W03	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 11 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	450In Stock 300Expected 21/12/2026	$79.42 $73.56 $70.23 Quote Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI M85049/1813W03 Amphenol PCD 1: $80.42 487In Stock	Mfr. Part No. M85049/1813W03 Mouser Part No 523-85049/1813W03	Amphenol PCD	Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	487In Stock	$80.42 $72.60 $68.65 $64.75 View $62.68 $62.61	Min.: 1 Mult.: 1	No
Circular MIL Spec Backshells 19 Backshell Non Env-EMI/RFI M85049/1917W06 Amphenol PCD 1: $101.44 329In Stock	Mfr. Part No. M85049/1917W06 Mouser Part No 523-85049/1917W06	Amphenol PCD	Circular MIL Spec Backshells 19 Backshell Non Env-EMI/RFI Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	329In Stock	$101.44 $90.05 $83.74 $74.60 View Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A OD CAD SZ 11 M85049/79-11W03 Amphenol PCD 1: $113.29 273In Stock 200Expected 4/12/2026	Mfr. Part No. M85049/79-11W03 Mouser Part No 523-85049/79-11W03	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A OD CAD SZ 11 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	273In Stock 200Expected 4/12/2026	$113.29 $100.76 $89.05 $86.39 $82.82	Min.: 1 Mult.: 1	No
Circular MIL Spec Backshells 88 Backshell Band Lock M85049/88-11W03 Amphenol PCD 1: $56.37 1,646In Stock 1,000Expected 22/2/2027	Mfr. Part No. M85049/88-11W03 Mouser Part No 523-85049/88-11W03	Amphenol PCD	Circular MIL Spec Backshells 88 Backshell Band Lock Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	1,646In Stock 1,000Expected 22/2/2027	$56.37 $52.67 $49.60 $49.06 View $47.46 $43.98 Quote	Min.: 1 Mult.: 1	No

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